Medication Guide
Lorazepam (Ativan) Side Effects and Uses
A plain-language guide to Lorazepam, a benzodiazepine. Learn how it helps, what it treats, how to take it and which side effects to know about.
Quick answer. Lorazepam (Ativan) is a benzodiazepine. Common lorazepam side effects include drowsiness, dizziness, weakness or unsteadiness and tiredness. The rare but serious ones, and when to get help, are listed under lorazepam side effects below. Never stop or change your dose on your own.
How Lorazepam Can Help You
Lorazepam is a benzodiazepine. It boosts GABA, the brain's natural brake. It calms sudden anxiety, agitation and panic. It starts working within about an hour. It lasts longer than Xanax, so it wears off more gently. The body clears it in a simple way, so it has fewer drug clashes. That is one reason it is often chosen for older adults or people on several medicines.
Relief feels like tension draining out of your body. A racing mind slows, muscles unclench and sleep feels closer. Like all benzodiazepines, lorazepam is most helpful for short-term or as-needed use. It may be used for a hard stretch, before a procedure or as a bridge while a daily antidepressant builds up. Your prescriber keeps the plan short to protect you from dependence.
Uses for Lorazepam
- Anxiety disorders (short-term)
- Anxiety linked with depression
- Sudden anxiety or panic episodes
- Poor sleep from worry or stress (short-term)
- Calming before a procedure
- Alcohol withdrawal (supervised settings)
- Agitation and seizure emergencies (medical settings)
How to Take Lorazepam
Your prescriber decides your dose, timing and daily limit. Lorazepam can be taken with or without food. The effect lasts several hours. Do not drive or use machinery until you know how it affects you, and never mix it with alcohol, opioids or other sedatives.
Lorazepam is a Schedule IV controlled drug. With daily use, your body can come to depend on it. At Mindful Sewa it is prescribed only when clinically appropriate and allowed under current telehealth rules. If you have taken it daily for more than a couple of weeks, never stop all at once. If you miss a set dose, take it unless your next dose is near. Never double up.
Lorazepam Side Effects
Common Side Effects
- Drowsiness
- Dizziness
- Weakness or unsteadiness
- Tiredness
- Trouble with memory
- Slow thinking or reactions
- Blurred vision
Serious: Get Medical Help Promptly
- Slow or stopped breathing when mixed with opioids, alcohol or other drugs that make you sleepy (boxed warning).
- Dependence and withdrawal, including seizures if stopped suddenly (boxed warning).
- Misuse and addiction (boxed warning).
- Severe confusion or falls, most of all in older adults.
- Unusual agitation or loss of self-control, which is rare.
- New or worse depression or thoughts of suicide. If you are thinking about harming yourself, call or text 988, or call 911.
How Lorazepam Works
Lorazepam strengthens GABA, the brain's main calming signal. This quiets fear, muscle tension and a busy mind. It sits in the middle of the benzodiazepine group for how long it lasts. It is longer than alprazolam but shorter than clonazepam or diazepam.
The liver clears lorazepam in a simple way. It does not rely on the same enzymes as many other drugs. So it has fewer drug interactions and builds up less in older adults. It still carries the same boxed warnings as every benzodiazepine.
Stopping Lorazepam Safely
After regular use, your brain adjusts to lorazepam. Stopping all at once can cause rebound anxiety, poor sleep, shaking, sweating and, rarely, seizures. A slow, planned taper with your prescriber lowers these risks.
A taper is often easier with support for the anxiety underneath. Many people start a daily medicine or psychotherapy before or during the taper. Tell your prescriber if symptoms get hard to manage, so the pace can change.
Is Lorazepam Right for You?
Only a full evaluation with a prescriber can tell you if Lorazepam fits your symptoms, history and goals. Harpal Singh, PMHNP-BC offers psychiatric evaluations and ongoing medication management by telehealth anywhere in California.
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Related Medication Guides
Other guides in the same group, written the same simple way. Being in one group does not mean you can swap one medicine for another.
- Alprazolam (Xanax), benzodiazepine
- Buspirone (BuSpar), non-benzodiazepine anti-anxiety medication
- Clonazepam (Klonopin), benzodiazepine
- Diazepam (Valium), benzodiazepine
FAQ
Questions About Lorazepam
How is Ativan different from Xanax?
Ativan starts a little slower than Xanax but lasts longer. So it gives smoother coverage, with less rebound between doses. It also has fewer drug clashes, which is why it is often chosen for older adults.
How long can I safely take lorazepam?
Most guides favor short courses of daily use, or rare use over a longer time. Daily use for a long time raises the risk that your body comes to depend on it. Your prescriber will pair it with a plan that works for the long run.
Can lorazepam help me sleep?
It is sometimes used for a short time when anxiety keeps you awake. It loses its effect with nightly use and can change how deeply you sleep. Other sleep plans work better for poor sleep that lasts.
Is it safe to drive after taking lorazepam?
Not until you know exactly how it affects you, and usually not for several hours after a dose. Lorazepam slows reaction time and impairs coordination. Its effect on driving can be similar to alcohol.
What if I have been taking it daily and want to stop?
Work with your prescriber on a slow taper. The dose usually comes down in small steps over weeks. Stopping all at once after daily use can cause strong withdrawal. That can include a surge of anxiety and, rarely, seizures.
Can I drink alcohol while taking lorazepam?
No. Alcohol and lorazepam together can cause heavy sedation and slowed breathing. This combination carries an FDA boxed warning.
Is lorazepam safe for older adults?
It is sometimes chosen for older adults because it has fewer drug clashes. Still, seniors face a higher risk of falls, confusion and memory slips on any benzo. Your prescriber uses extra care and keeps the plan short.
Can I get lorazepam by telehealth in California?
Ativan is a controlled drug, so extra rules apply. At Mindful Sewa it is prescribed only when clinically appropriate and allowed under current telehealth rules, after a full evaluation. Your prescriber may suggest non-controlled options first.